As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - INFLIGHT LEFT ENGINE COMPRESSOR STALLS DURING CLIMBOUT AT 11,000 FT. ENGINE ACCELERATED FOR CLIMB NORMALLY BUT STARTED STALL WHILE AT FULL CLIMB THRUST. ENGINE ANTI-ICE ON. ENGINE FAIL CHECKLIST ACCOMPLISHED. ENGINE LEFT AT IDLE. FOUND INLET FOD. REPLACED NUMBER ONE ENGINE. SYSTEM GROUND CHECKED NORMAL OPERATION.